For the Inventor, By the Inventor

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Waverly, IA, United States of America

Doerfer Corporation

USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 14

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5 inventors (with patents filed for the assignee):

David L Takes (2 out of 2 patents)

Gregory H Gasch (2 out of 2 patents)

Neil D Bultz (2 out of 4 patents)

4. William D Starnes (2 out of 2 patents)

5. Robert Duane Ahmann (2 out of 9 patents)

2 patents: Sort by Forward Citations

1. 11142399 - Automated warehouse fulfillment system and method of operation (2021-10-12),

2. 11136192 - Automated warehouse fulfillment operations and system (2021-10-05),

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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#3 in Waverly, IA

#589 in Iowa

#94,642 in US

Waverly, IA, United States of America

Doerfer Corporation

Forward Citations = 14

5 inventors:

David L Takes (2 out of 2 patents)

Gregory H Gasch (2 out of 2 patents)

Neil D Bultz (2 out of 4 patents)

4. William D Starnes (2 out of 2 patents)

5. Robert Duane Ahmann (2 out of 9 patents)

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